Mean injection volumes for initial and touch-up treatments combined for the zygomaticomalar region, anteromedial cheek, and submalar region were 2.39 mL (range, 0.1-7.0 mL), 2.12 mL (range, 0.4-5.7 mL), and 2.42 mL (range, 0.2-10.0 mL), respectively.
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